🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.51 AU - 0.55 AU

Year: 249 Days

Day: 16.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,799,012 km

• M1: 199,564 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.55 AU - 0.73 AU

Year: 331 Days

Day: 28.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 137.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,799,012 km

• M1: 345,721 km (0.053 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.67 AU - 0.67 AU

Year: 354 Days

Day: 41.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.52 AU - 0.82 AU

Year: 354 Days

Day: 44.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 134.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.5

Radius: 9.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.73 AU - 0.77 AU

Year: 419 Days

Day: 10.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 15,799,012 km

• M1: 121,623 km (0.095 R)
• M2: 179,966 km (0.11 R)
• M3: 274,063 km (0.107 R)
• M4: 356,641 km (0.066 R)
• M5: 464,801 km (0.117 R)
• M6: 523,593 km (0.07 R)
• M7: 607,667 km (0.105 R)
• M8: 696,827 km (0.099 R)
• M9: 778,507 km (0.031 R)
• M10: 844,330 km (0.094 R)
• M11: 1,026,541 km (0.083 R)
• M12: 1,124,378 km (0.11 R)
• M13: 1,188,854 km (0.103 R)
• M14: 1,284,597 km (0.046 R)
• M15: 1,352,365 km (0.079 R)
• M16: 1,413,700 km (0.107 R)
• M17: 1,499,569 km (0.08 R)
• M18: 1,595,312 km (0.113 R)
• M19: 1,656,348 km (0.085 R)
• M20: 1,784,852 km (0.069 R)
• M21: 1,951,355 km (0.069 R)
• M22: 2,016,729 km (0.101 R)
• M23: 2,078,513 km (0.084 R)
• M24: 2,167,823 km (0.093 R)
• M25: 2,415,557 km (0.116 R)
• M26: 2,476,593 km (0.104 R)
• M27: 2,595,523 km (0.112 R)
• M28: 2,774,891 km (0.117 R)
• M29: 2,893,522 km (0.028 R)
• M30: 2,973,557 km (0.077 R)
• M31: 3,039,081 km (0.114 R)
• M32: 3,306,412 km (0.087 R)
• M33: 3,565,216 km (0.097 R)
• M34: 3,635,079 km (0.064 R)
• M35: 3,705,240 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69

Radius: 13.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.51 AU - 2.45 AU

Year: 1799 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 15,799,012 km

• M1: 186,848 km (0.071 R)
• M2: 274,811 km (0.095 R)
• M3: 422,464 km (0.108 R)
• M4: 555,756 km (0.096 R)
• M5: 676,182 km (0.12 R)
• M6: 774,618 km (0.075 R)
• M7: 864,077 km (0.071 R)
• M8: 1,013,825 km (0.057 R)
• M9: 1,102,836 km (0.066 R)
• M10: 1,194,689 km (0.116 R)
• M11: 1,358,199 km (0.117 R)
• M12: 1,469,500 km (0.026 R)
• M13: 1,584,092 km (0.083 R)
• M14: 1,855,313 km (0.103 R)
• M15: 2,033,484 km (0.091 R)
• M16: 2,210,608 km (0.057 R)
• M17: 2,315,177 km (0.099 R)
• M18: 2,544,061 km (0.114 R)
• M19: 2,758,136 km (0.05 R)
• M20: 2,871,232 km (0.025 R)
• M21: 3,039,978 km (0.087 R)
• M22: 3,149,185 km (0.116 R)
• M23: 3,283,524 km (0.097 R)
• M24: 3,371,487 km (0.103 R)
• M25: 3,460,348 km (0.08 R)
• M26: 3,933,227 km (0.083 R)
• M27: 4,121,421 km (0.111 R)
• M28: 4,524,588 km (0.091 R)
• M29: 4,631,849 km (0.1 R)
• M30: 4,977,271 km (0.099 R)
• M31: 5,303,095 km (0.034 R)
• M32: 5,454,338 km (0.061 R)
• M33: 5,559,057 km (0.099 R)
• M34: 5,761,164 km (0.109 R)
• M35: 5,848,529 km (0.109 R)
• M36: 5,985,261 km (0.092 R)
• M37: 6,073,674 km (0.041 R)
• M38: 6,331,879 km (0.118 R)
• M39: 6,593,676 km (0.054 R)
• M40: 6,879,557 km (0.065 R)
• M41: 7,003,424 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186

Radius: 12.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.03 AU - 3.35 AU

Year: 3679 Days

Day: 8 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 15,799,012 km

• M1: 226,491 km (0.093 R)
• M2: 392,246 km (0.056 R)
• M3: 490,980 km (0.11 R)
• M4: 572,212 km (0.052 R)
• M5: 666,758 km (0.116 R)
• M6: 791,822 km (0.087 R)
• M7: 1,123,031 km (0.084 R)
• M8: 1,208,152 km (0.107 R)
• M9: 1,415,645 km (0.079 R)
• M10: 1,508,395 km (0.112 R)
• M11: 1,656,946 km (0.109 R)
• M12: 1,969,007 km (0.098 R)
• M13: 2,179,940 km (0.106 R)
• M14: 2,398,353 km (0.111 R)
• M15: 2,485,269 km (0.085 R)
• M16: 2,598,665 km (0.041 R)
• M17: 2,896,514 km (0.104 R)
• M18: 3,002,728 km (0.051 R)
• M19: 3,624,906 km (0.119 R)
• M20: 3,783,031 km (0.043 R)
• M21: 4,017,451 km (0.111 R)
• M22: 4,362,723 km (0.064 R)
• M23: 4,485,094 km (0.092 R)
• M24: 4,970,240 km (0.101 R)
• M25: 5,130,309 km (0.062 R)
• M26: 5,227,249 km (0.107 R)
• M27: 5,357,549 km (0.072 R)
• M28: 5,538,263 km (0.116 R)
• M29: 5,771,336 km (0.025 R)
• M30: 6,110,026 km (0.09 R)
• M31: 6,351,028 km (0.069 R)
• M32: 6,490,004 km (0.109 R)
• M33: 6,630,178 km (0.096 R)
• M34: 7,291,550 km (0.112 R)
• M35: 7,510,561 km (0.065 R)
• M36: 7,973,866 km (0.113 R)
• M37: 8,237,457 km (0.098 R)
• M38: 9,045,435 km (0.064 R)
• M39: 9,280,902 km (0.057 R)
• M40: 9,918,937 km (0.047 R)
• M41: 10,243,415 km (0.104 R)
• M42: 10,406,925 km (0.093 R)
• M43: 10,965,075 km (0.064 R)
• M44: 11,048,700 km (0.068 R)
• M45: 11,575,584 km (0.105 R)
• M46: 11,874,331 km (0.116 R)
• M47: 12,046,219 km (0.091 R)
• M48: 12,262,089 km (0.083 R)
• M49: 12,457,613 km (0.093 R)
• M50: 12,566,670 km (0.03 R)
• M51: 12,763,840 km (0.116 R)
• M52: 12,851,654 km (0.061 R)
• M53: 12,961,908 km (0.049 R)
• M54: 13,161,022 km (0.082 R)
• M55: 13,272,173 km (0.096 R)
• M56: 13,450,494 km (0.049 R)
• M57: 13,652,152 km (0.078 R)
• M58: 14,058,460 km (0.11 R)
• M59: 14,194,744 km (0.069 R)
• M60: 14,331,626 km (0.106 R)
• M61: 14,537,622 km (0.047 R)
• M62: 14,883,043 km (0.119 R)
• M63: 15,184,782 km (0.074 R)
• M64: 15,418,155 km (0.089 R)
• M65: 15,558,777 km (0.103 R)
• M66: 15,746,971 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.1

Radius: 13.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.61 AU - 4.51 AU

Year: 5282 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 15,799,012 km

• M1: 184,005 km (0.115 R)
• M2: 408,253 km (0.035 R)
• M3: 513,569 km (0.091 R)
• M4: 631,004 km (0.068 R)
• M5: 1,022,202 km (0.094 R)
• M6: 1,116,898 km (0.087 R)
• M7: 1,540,559 km (0.05 R)
• M8: 1,735,485 km (0.092 R)
• M9: 2,119,503 km (0.111 R)
• M10: 2,385,488 km (0.076 R)
• M11: 2,898,758 km (0.094 R)
• M12: 3,106,699 km (0.097 R)
• M13: 3,537,840 km (0.061 R)
• M14: 3,988,130 km (0.055 R)
• M15: 4,200,708 km (0.061 R)
• M16: 4,596,993 km (0.11 R)
• M17: 4,922,817 km (0.049 R)
• M18: 5,067,777 km (0.075 R)
• M19: 5,618,597 km (0.049 R)
• M20: 5,705,064 km (0.111 R)
• M21: 5,901,337 km (0.102 R)
• M22: 6,211,004 km (0.098 R)
• M23: 6,548,946 km (0.074 R)
• M24: 7,574,589 km (0.099 R)
• M25: 7,766,523 km (0.045 R)
• M26: 7,984,338 km (0.104 R)
• M27: 8,130,644 km (0.098 R)
• M28: 8,253,315 km (0.075 R)
• M29: 8,426,100 km (0.077 R)
• M30: 8,600,082 km (0.11 R)
• M31: 9,002,201 km (0.064 R)
• M32: 9,180,073 km (0.074 R)
• M33: 9,282,249 km (0.119 R)
• M34: 9,384,873 km (0.106 R)
• M35: 10,404,831 km (0.084 R)
• M36: 10,538,123 km (0.107 R)
• M37: 11,131,428 km (0.112 R)
• M38: 11,652,777 km (0.085 R)
• M39: 11,902,455 km (0.071 R)
• M40: 12,069,855 km (0.05 R)
• M41: 12,633,839 km (0.032 R)
• M42: 12,776,107 km (0.087 R)
• M43: 12,976,269 km (0.074 R)
• M44: 13,062,437 km (0.11 R)
• M45: 13,816,710 km (0.067 R)
• M46: 14,110,520 km (0.079 R)
• M47: 14,376,804 km (0.087 R)
• M48: 14,465,964 km (0.104 R)
• M49: 15,397,810 km (0.047 R)
• M50: 16,101,668 km (0.047 R)
• M51: 16,287,019 km (0.102 R)
• M52: 17,287,680 km (0.104 R)
• M53: 17,859,293 km (0.105 R)
• M54: 17,987,050 km (0.088 R)
• M55: 18,308,087 km (0.119 R)
• M56: 19,118,907 km (0.054 R)
• M57: 19,217,043 km (0.099 R)
• M58: 19,348,091 km (0.108 R)
• M59: 20,041,028 km (0.096 R)
• M60: 20,876,532 km (0.08 R)
• M61: 21,962,613 km (0.093 R)
• M62: 22,271,533 km (0.102 R)
• M63: 22,512,684 km (0.102 R)
• M64: 22,685,470 km (0.069 R)
• M65: 22,823,998 km (0.08 R)
• M66: 23,206,519 km (0.076 R)
• M67: 23,450,962 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.4

Radius: 12.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.2 AU - 5.16 AU

Year: 6537 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 15,799,012 km

• M1: 165,455 km (0.119 R)
• M2: 261,048 km (0.092 R)
• M3: 367,113 km (0.08 R)
• M4: 501,602 km (0.105 R)
• M5: 605,123 km (0.097 R)
• M6: 701,764 km (0.082 R)
• M7: 1,202,767 km (0.119 R)
• M8: 1,378,993 km (0.097 R)
• M9: 1,670,559 km (0.072 R)
• M10: 1,812,827 km (0.109 R)
• M11: 1,913,806 km (0.112 R)
• M12: 2,016,729 km (0.108 R)
• M13: 2,121,597 km (0.06 R)
• M14: 2,435,005 km (0.109 R)
• M15: 2,933,315 km (0.081 R)
• M16: 3,201,245 km (0.083 R)
• M17: 3,338,276 km (0.088 R)
• M18: 3,435,366 km (0.112 R)
• M19: 3,618,324 km (0.089 R)
• M20: 3,790,062 km (0.117 R)
• M21: 4,023,285 km (0.115 R)
• M22: 4,306,624 km (0.112 R)
• M23: 4,550,169 km (0.071 R)
• M24: 4,720,411 km (0.107 R)
• M25: 5,292,025 km (0.065 R)
• M26: 5,405,869 km (0.058 R)
• M27: 5,885,779 km (0.081 R)
• M28: 6,207,713 km (0.068 R)
• M29: 6,745,518 km (0.072 R)
• M30: 6,833,780 km (0.08 R)
• M31: 7,064,759 km (0.104 R)
• M32: 7,534,646 km (0.102 R)
• M33: 7,736,454 km (0.088 R)
• M34: 7,958,756 km (0.117 R)
• M35: 8,145,604 km (0.119 R)
• M36: 8,258,401 km (0.106 R)
• M37: 8,561,785 km (0.111 R)
• M38: 8,753,271 km (0.097 R)
• M39: 8,984,998 km (0.107 R)
• M40: 9,140,579 km (0.117 R)
• M41: 9,415,092 km (0.103 R)
• M42: 9,912,056 km (0.094 R)
• M43: 10,683,831 km (0.077 R)
• M44: 10,786,754 km (0.111 R)
• M45: 10,869,482 km (0.066 R)
• M46: 10,952,359 km (0.071 R)
• M47: 11,749,866 km (0.09 R)
• M48: 12,587,913 km (0.049 R)
• M49: 13,025,187 km (0.071 R)
• M50: 13,113,301 km (0.029 R)
• M51: 13,556,559 km (0.08 R)
• M52: 14,526,252 km (0.059 R)
• M53: 14,961,881 km (0.044 R)
• M54: 15,192,861 km (0.112 R)
• M55: 15,494,899 km (0.046 R)
• M56: 15,799,031 km (0.105 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 10,560 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit